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Balancing Equations PhET
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Balancing Equations PhET The Law of Conservation of Mass states that matter cannot be created or destroyed. This idea became a scientific law because many careful experiments indicated that mass is ... the same before and after a chemical or physical change. Examine the chemical equation below: N2 + H2 NH3 1. If you weighed the atoms that appear on the reactant side of the equation, would they have the same mass as the atoms that appear on the product side? Tell how you know. No, they're aren't enough atoms on the reactant side to match the product side 2. How many atoms of nitrogen appear to be on the reactant side? The product side The Law of Conservation of Mass states that matter cannot be created or destroyed. This idea became a scientific law because many careful experiments indicated that mass is the same before and after a chemical or physical change. Examine the chemical equation below: N2 + H2 NH3 1. If you weighed the atoms that appear on the reactant side of the equation, would they have the same mass as the atoms that appear on the product side? Tell how you know. No, they're aren't enough atoms on the reactant side to match the product side 2. How many atoms of nitrogen appear to be on the reactant side? The product side [Show More]
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